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几道数学题,懒得算
(-1.2)x(-3)
(-1又1/3)x(4又1/2)
15x(-2/5)
(-17/8)x0
人气:395 ℃ 时间:2020-02-05 09:15:35
解答
(-1.2)x(-3)=3.6
(-1又1/3)x(4又1/2)=-6
15x(-2/5)=-6
(-17/8)x0=0(-2.5)2又1/3,马上采纳你(-2.5)2又1/3=-35/6
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